Stock-Based Compensation Plans (Weighted-Average Assumptions for the ESOP) (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Dividend yield	2.12%	2.24%	2.13%	2.29%
Expected volatility	35.96%	38.92%	36.38%	39.64%
Risk-free interest rate	1.63%	1.62%	1.50%	1.68%
Expected term of options	4 years 109 days	4 years 3 days	4 years 109 days	3 years 362 days
Weighted-avg. grant-date fair value (in dollars per share)	$ 4.25	$ 3.93	$ 4.51	$ 4.10